A wave is caused by a/an

• amplitude

• vibration

• wavelength

• frequency

What is an oscillation of a simple pendulum shown in the diagram below?

• 2 → 1 → 3

• 3 → 1

• 1 → 2 → 1 → 3 → 1

• 3 → 1 → 3

What is an oscillation in the case of a man walking?

• Lift up right leg

• Lift up right leg → step with right leg

• Lift up left leg → lift up right leg

• Lift up right leg → step with right leg → lift up left leg → step with left leg

In a ripple tank experiment, a vibrator dips into a liquid at a constant frequency. Which waveforms are not possible?

• 1 and 2 only

• 2 and 3 only

• 1 and 3 only

• 1, 2 and 3

A single pulse of wave is created on a rope as shown. What are the possible directions of motion of the wave?

• 1 and 2 only

• 3 and 4 only

• 1, 2 and 3 only

• 1, 2 and 4 only

A source produces both a longitudinal wave and a transverse wave. The difference between the longitudinal wave and a transverse wave is

• frequency of the source.

• direction of the waves.

• speed of the waves.

• wavelength of the waves.

A point P is marked on a rope before the rope is set to oscillate. At the particular instance shown below, what is the direction in which point P moves?

• A

• B

• C

• D

A point P is marked on a rope before the rope is set to oscillate. At the particular instance shown below, what is the direction in which point P moves?

• A

• B

• C

• D

Points P and Q are marked on a rope before it is set to oscillate. At the particular instance shown below, what is the direction in which point P and point Q move?

• Point P: Up
  Point Q: Down

• Point P: Down
  Point Q: Up

• Point P: Up
  Point Q: up

• Point P: Down
  Point Q: Down

A duckweed plant floats on water. A stone is dropped some distance away from the duckweed and produces ripples travelling towards the duckweed. Where will the duckweed be after the transverse wave has passed the duckweed as shown?

• A

• B

• C

• D